CN210482366U - Bearing platform type retaining wall - Google Patents
Bearing platform type retaining wall Download PDFInfo
- Publication number
- CN210482366U CN210482366U CN201921352095.8U CN201921352095U CN210482366U CN 210482366 U CN210482366 U CN 210482366U CN 201921352095 U CN201921352095 U CN 201921352095U CN 210482366 U CN210482366 U CN 210482366U
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- China
- Prior art keywords
- bearing platform
- retaining wall
- seamless steel
- wall body
- steel pipes
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 72
- 239000010959 steel Substances 0.000 claims abstract description 72
- 239000002689 soil Substances 0.000 claims abstract description 13
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 7
- 239000011148 porous material Substances 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 4
- 230000000087 stabilizing Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 12
- 230000005484 gravity Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a bearing platform type retaining wall, which effectively solves the problems of building retaining walls on weak foundations and insufficient strength of retaining walls; the technical scheme for solving the problem is that the pile group foundation comprises a pile group foundation consisting of a plurality of seamless steel pipes, a reinforced concrete bearing platform is fixed above the pile group foundation, a groove is arranged on the bearing platform, a precast block retaining wall body is arranged above the bearing platform, and the lower end of the wall body is arranged in the groove; the wall body is connected with the bearing platform through a plurality of steel strands; seted up a plurality of anchor rod holes on the wall body, every anchor rod downthehole all cartridge has the stock of fixing in the soil horizon, the utility model discloses reduce the requirement of building retaining wall ground bearing capacity, application scope is wider, construction convenience to can reduce the thickness of retaining wall and improve the self intensity of retaining wall, improve the stability of retaining wall.
Description
Technical Field
The utility model relates to a geotechnical engineering technical field, especially a cushion cap formula retaining wall.
Background
In the construction process of the existing highway engineering and building engineering, in order to prevent the slope of the roadbed or the foundation from sliding and ensure the stability of the roadbed, a method of building the retaining wall is adopted, and because the gravity type retaining wall is simple and convenient to take materials and construct in the building process and is widely adopted, the gravity type retaining wall utilizes the gravity of the gravity type retaining wall to completely block the water pressure and the soil pressure behind the wall. The patent of an improved truss type retaining wall structure (application number 201820860071.2) adopts a truss as a main body stress structure of the retaining wall, changes a bending structure system of a traditional retaining wall into a tension and compression structure system, and can achieve the purpose of fully utilizing the strength of materials and further reducing the construction cost. This patent has adopted preceding pile foundation and back pile foundation structure simultaneously, and this pile foundation construction needs special construction equipment, and is comparatively troublesome. A retaining wall with anchor rods combined with a main structure and a design method (201611223249.4) are characterized in that the anchor rods are arranged on the upper portion of the retaining wall to resist the lateral pressure of soil, so that the bending moment and the shearing force of the root of the retaining wall can be effectively reduced, the thickness of a wall body is reduced, the using amount of reinforcing steel bars is reduced, and the purposes of controlling the width of a crack at the bottom of the wall body and controlling the horizontal displacement at the top of the wall body are achieved. This patent has only considered reducing the thickness of retaining wall through the method of installing the stock additional on retaining wall upper portion, but has not solved the technological problem of building the retaining wall on the weak basis. The utility model provides a pile plate formula stock retaining wall (201821351942.4) patent is provided with a plurality of stocks on the steel sheet evenly perpendicularly to avoid the basic a large amount of excavation earthwork, simultaneously can effectually strut the fill soil body, reach construction convenience, safe and reliable's purpose, and can reduce construction cost, improve the efficiency of construction, the practicality is strong. The steel plate used in the patent is easy to rust, and the patent does not solve the technical problem of building the retaining wall on a weak foundation.
Disclosure of Invention
To the situation, for solving the problem that exists among the prior art, the utility model aims at providing a cushion cap formula retaining wall, can effectively solve the weak foundation and build retaining wall and the not enough problem of retaining wall intensity.
The technical scheme for solving the problem is that the pile group foundation comprises a pile group foundation consisting of a plurality of seamless steel pipes, a reinforced concrete bearing platform is fixed above the pile group foundation, a groove is arranged on the bearing platform, a precast block retaining wall body is arranged above the bearing platform, and the lower end of the wall body is arranged in the groove; the wall body is connected with the bearing platform through a plurality of steel strands; a plurality of anchor rod holes are formed in the wall body, and anchor rods fixed in the soil layer are inserted into each anchor rod hole.
The utility model discloses can reduce the requirement of building retaining wall ground bearing capacity, application scope is wider, construction convenience to can reduce the thickness of retaining wall and improve the self intensity of retaining wall, improve the stability of retaining wall.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
In the figure: 1, soil layer; 2, prefabricating a block retaining wall body; 3, an anchor rod hole; 4, anchoring the bolt; 5, pre-stressed steel strand pore canals; 6, pre-stressed steel strands; 7, a bearing platform; 8, seamless steel pipes; 9, grooves; 10 prestressed anchorage means; 11, inclining the steel pipe pile; 12 laterally stabilizing the steel.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 to 2, the utility model comprises a group pile foundation consisting of a plurality of seamless steel pipes 8, a reinforced concrete bearing platform 7 fixed above the group pile foundation, a groove 9 arranged on the bearing platform 7, a prefabricated block retaining wall body 2 arranged above the bearing platform 7, and the lower end of the wall body 2 arranged in the groove 9; the wall body 2 is connected with the bearing platform 7 through a plurality of steel strands 6; a plurality of anchor rod holes 3 are formed in the wall body 2, and anchor rods 4 fixed in the soil layer 1 are inserted into each anchor rod hole 3.
In order to realize the installation of the steel strand 6, a plurality of pore channels 5 which correspond up and down are respectively arranged on the wall body 2 and the bearing platform 7, and the steel strand 6 simultaneously penetrates through the pore channels 5 of the wall body 2 and the bearing platform 7; the upper end and the lower end of each steel strand 6 are welded with mechanical anchoring devices 10.
In order to realize the connection among the seamless steel pipes 8, the seamless steel pipes 8 are welded through connecting I-shaped steel.
In order to realize the connection between the bearing platform 7 and the seamless steel pipes 8, the reinforced concrete bearing platform 7 comprises a part of seamless steel pipe 8 group pile foundation and connection I-shaped steel.
In order to realize that the retaining wall has certain strength, the steel pipe of the seamless steel pipe 8 pile group foundation is a hot-rolled seamless steel pipe 8, and the diameter of the seamless steel pipe 8 is preferably 50mm-100mm, and the wall thickness is preferably 11 mm. The distance between the groups of seamless steel pipes 8 is 300-800mm, the length of a single seamless steel pipe 8 is preferably 1000-2500 mm, the seamless steel pipes can be lengthened in a welding mode according to geological conditions, and the lengthened length is 2000-5000 mm.
In order to improve the transverse stability of the retaining wall, inclined steel pipe piles 11 are arranged on the outer sides of the foundation of the seamless steel pipe 8 groups, and the inclined steel pipe piles 11 are inclined towards the outside of the foundation with the soil-entering included angle of 0-90 ℃.
In order to improve the overall stability of the grouped piles, transverse stabilizing steel 12 is arranged under the foundation of the seamless steel pipe 8 grouped piles.
The utility model discloses during the use, refer to figure 18 grouser foundation lengths of seamless steel pipe can be confirmed according to geological conditions, can use artifical or machinery to drive into soil, if 8 length of seamless steel pipe are not enough, can squeeze into the back and reuse the electric welding and connect long, wherein the seamless steel pipe 8 in the grouser outside strengthens the lateral stability of grouser to the slope of the basis outside. After the construction of all the 8 seamless steel pipes is completed, the foundation is excavated to the depth of 50-200cm, all the 8 seamless steel pipes are transversely welded by using the transverse stabilizing steel 12 supports, then the excavated foundation is backfilled, and all the seamless steel pipes 8 are welded together at the tops of the 8 seamless steel pipes by using the connecting I-shaped steel to form the integral foundation.
The method comprises the steps of digging the soil around the seamless steel pipe 8 downwards to a depth of 20-50cm, installing a prestressed pipeline, prestressed steel strands 6 and an anchoring device 10 on the I-shaped steel, then pouring the seamless steel pipe 8 pile and the I-shaped steel into a bearing platform 7, and reserving a groove 9 for inserting the prefabricated retaining wall body 2 into the bearing platform 7 at the upper part of the bearing platform 7.
The prefabricated reinforced concrete retaining wall body 2 is installed on a bearing platform 7, the prestressed steel strands 6 are inserted into the prestressed hole channels 5, then the prestress is tensioned and grouted, then the anchor rods 4 are drilled and installed in the anchor rods 4, finally the grouting is carried out, and the construction of the combined retaining wall is finally completed.
This device can reduce the requirement of building retaining wall ground bearing capacity, and application scope is wider, construction convenience to can reduce the thickness of retaining wall and improve the self intensity of retaining wall, improve the stability of retaining wall.
This device has adopted seamless steel pipe 8 to constitute a crowd's pile foundation, can be applicable to different geological conditions, also can realize stable support on soft base to realize retaining wall's installation.
The device adopts the steel strand 6 to realize the connection between the wall body 2 and the bearing platform 7, so that the two can be tightly combined to realize the support of the wall body 2; meanwhile, under the action of the anchor rod 4, the wall body 2 can resist the soil layer 1 by means of the force of the soil layer 1; increasing the strength of the device.
Claims (7)
1. A bearing platform type retaining wall is characterized by comprising a group pile foundation consisting of a plurality of seamless steel pipes (8), a reinforced concrete bearing platform (7) is fixed above the group pile foundation, a groove (9) is formed in the bearing platform (7), a prefabricated block retaining wall body (2) is arranged above the bearing platform (7), and the lower end of the wall body (2) is arranged in the groove (9); the wall body (2) is connected with the bearing platform (7) through a plurality of steel strands (6); a plurality of anchor rod holes (3) are formed in the wall body (2), and anchor rods (4) fixed in the soil layer (1) are inserted into each anchor rod hole (3).
2. A bearing platform type retaining wall according to claim 1, characterized in that a plurality of pore channels (5) corresponding up and down are respectively arranged on the wall body (2) and the bearing platform (7), and the steel strand (6) simultaneously penetrates through the pore channels (5) of the wall body (2) and the bearing platform (7); the upper end and the lower end of each steel strand (6) are welded with mechanical anchoring devices (10).
3. A bearing platform type retaining wall according to claim 1, characterized in that the seamless steel pipes (8) are welded by connecting i-steel.
4. A bearing platform type retaining wall according to claim 1, characterized in that the reinforced concrete bearing platform (7) comprises a part of seamless steel tube (8) pile foundation and connecting I-shaped steel.
5. A bearing platform type retaining wall according to claim 1, characterized in that the steel pipes of the pile foundation of the seamless steel pipes (8) are hot rolled seamless steel pipes (8), the diameter of the seamless steel pipes (8) is 50mm-100mm, and the wall thickness is 11 mm; the group pile spacing of the seamless steel pipes (8) is 300-800mm, the length of a single seamless steel pipe (8) is preferably 1000-2500 mm, the seamless steel pipes can be lengthened in a welding mode according to geological conditions, and the lengthened seamless steel pipes are 2000-5000 mm.
6. A bearing platform type retaining wall according to claim 1, characterized in that the outer side of the seamless steel tube (8) group pile foundation is provided with an inclined steel tube pile (11), and the inclined steel tube pile (11) has an included angle of entering soil of 0-90 ℃ and inclines towards the outside of the foundation.
7. A bearing platform type retaining wall according to claim 1, characterized in that the seamless steel pipes (8) are provided with transverse stabilizing steel (12) under the pile foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352095.8U CN210482366U (en) | 2019-08-20 | 2019-08-20 | Bearing platform type retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352095.8U CN210482366U (en) | 2019-08-20 | 2019-08-20 | Bearing platform type retaining wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210482366U true CN210482366U (en) | 2020-05-08 |
Family
ID=70536598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921352095.8U Active CN210482366U (en) | 2019-08-20 | 2019-08-20 | Bearing platform type retaining wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210482366U (en) |
-
2019
- 2019-08-20 CN CN201921352095.8U patent/CN210482366U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221129 Address after: 830000 16-17 floors, Block A, Yingke Plaza, 217 Hi-tech Street, Urumqi Hi-tech Industrial Development Zone, Xinjiang Uygur Autonomous Region Patentee after: XINJIANG BEIXIN ROAD & BRIDGE GROUP Co.,Ltd. Patentee after: Xinjiang Beixin geotechnical engineering survey and Design Co.,Ltd. Address before: Floor 16-17, block a, Yingke Plaza, 217 Gaoxin street, Urumqi hi tech Industrial Development Zone, Xinjiang Uygur Autonomous Region 830002 Patentee before: XINJIANG BEIXIN ROAD & BRIDGE GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |